1-Ethyl-2-methylbenzimidazole 1H-Benzimidazole, 1-ethyl-2-methyl- 42846-39-9 5-23-06-00326 (Beilstein Handbook Reference) 5805-76-5 BENZIMIDAZOLE, 1-ETHYL-2-METHYL- BRN 0127380 EINECS 227-362-4 NSC 93793